| Types.PerUnit | K1 | | Voltage exponent for active power input to UEL table |
| Types.PerUnit | K2 | | Voltage exponent for reactive power output of UEL table |
| Types.PerUnit | KFb | | UEL gain of reference voltage from ST7C |
| Types.PerUnit | KFix | | UEL fixed gain reduction factor |
| Types.PerUnit | Kuf | | UEL excitation system stabilizer gain |
| Types.PerUnit | Kui | | UEL integral gain |
| Types.PerUnit | Kul | | UEL proportional gain |
| Boolean | Sw1 | | UEL logic switch for adjustable gain reduction |
| Types.Time | tAdj | | UEL adjustable gain reduction time constant in s |
| Types.Time | tQRef | | UEL reactive power reference time constant in s |
| Types.Time | tU1 | | UEL first lead time constant in s |
| Types.Time | tU2 | | UEL first lag time constant in s |
| Types.Time | tU3 | | UEL second lead time constant in s |
| Types.Time | tU4 | | UEL second lag time constant in s |
| Types.Time | tUl | | UEL time constant of filter for reference voltage from ST7C, in s |
| Types.Time | tUP | | UEL active power filter time constant in s |
| Types.Time | tUQ | | UEL reactive power filter time constant in s |
| Types.Time | tUV | | UEL voltage filter time constant in s |
| Types.VoltageModulePu | VBiasPu | | UEL voltage bias in pu (base UNom) |
| Types.VoltageModulePu | VUel1MaxPu | | UEL maximum output in pu (base UNom) |
| Types.VoltageModulePu | VUel1MinPu | | UEL minimum output in pu (base UNom) |
| Types.VoltageModulePu | VUel2MaxPu | | UEL maximum output in pu (base UNom) |
| Types.VoltageModulePu | VUel2MinPu | | UEL minimum output in pu (base UNom) |
| Types.VoltageModulePu | VUiMaxPu | | UEL PI control maximum output in pu (base UNom) |
| Types.VoltageModulePu | VUiMinPu | | UEL PI control minimum output in pu (base UNom) |
| Types.PerUnit | XqPu | | UEL characteristic reactance in pu (base SnRef, UNom) |
| String | FPQTableName | | Name of table in text file for the reactive power as a function of active power |
| String | TablesFile | | Text file that contains the table for the fpq function |
| Types.ActivePowerPu | PGen0Pu | | Initial active power in pu (base SnRef) (generator convention) |
| Types.ReactivePowerPu | QGen0Pu | | Initial reactive power in pu (base SnRef) (generator convention) |
| Types.ReactivePowerPu | QRef0Pu | | Initial reference reactive power in pu (base SnRef) (generator convention) |
| Types.VoltageModulePu | U0Pu | | Initial voltage amplitude at terminal in pu (base UNom) |
| Types.ComplexVoltagePu | ut0Pu | | Initial complex stator voltage in pu (base UNom) |
| Types.VoltageModulePu | UsRef0Pu | | Initial reference stator voltage in pu (base UNom) |
| Types.VoltageModulePu | VBias0Pu | | Initial calculated voltage bias in pu (base UNom) |
| Types.PerUnit | KAdj0 | ((U0Pu^2)/XqPu + QGen0Pu)/sqrt(((U0Pu^2)/XqPu + QGen0Pu)^2 + PGen0Pu^2) | Initial UEL adjustable gain |